.Box429{
    background-image: url("../img/error.jpg");
    background-repeat: no-repeat;
    background-size: 100% 100%;
}

.font_error{
    width: 400px;
    height: 400px;
    position: absolute;
    left: 25%;
    top: 10%;
    margin-left: -150px;
    background-image: -webkit-linear-gradient(left,blue,#66ffff 10%,#cc00ff 20%,#CC00CC 30%, #CCCCFF 40%, #00FFFF 50%,#CCCCFF 60%,#CC00CC 70%,#CC00FF 80%,#66FFFF 90%,blue 100%);
    -webkit-text-fill-color: transparent;
    -webkit-background-clip: text;
    -webkit-background-size: 200% 100%; 
    -webkit-animation: masked-animation 4s linear infinite;
}

#fontSize429_1{
    font-size: 125px;
}
#fontSize429_2{
    font-size: 30px;
}

@keyframes masked-animation {
    0% {
        background-position: 0  0;
    }
    100% {
        background-position: -100%  0;
    }
}
